31 citations,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
30 citations,
December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
29 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
27 citations,
February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
26 citations,
January 1994 in “Hormone and Metabolic Research” Taking spironolactone and linestrenol for androgen excess can lead to lower bone density in young women.
23 citations,
May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
21 citations,
July 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
13 citations,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
10 citations,
December 2015 in “International Journal of Molecular Sciences” PDCD4 is important for controlling skin cell growth and healing.
7 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
6 citations,
March 2016 in “British Journal of Dermatology” Low IGF-1 and high HDL cholesterol levels are linked to more hair loss in middle-aged women.
2 citations,
February 2020 in “Journal of Plastic Surgery and Hand Surgery” Good-looking donor sites for hair transplants usually have higher hair density and thicker hair.
1 citations,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
1 citations,
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
417 citations,
February 2004 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy increases bone density in older men with low testosterone levels.
33 citations,
April 2005 in “British Journal of Dermatology” Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
7 citations,
October 2017 in “The Prostate” Baldness in men with prostate cancer is linked to higher levels of certain sex hormones, but chest hair density is not.
1 citations,
March 2016 in “Neurotoxicity Research” Finasteride may protect brain and improve behavior in rats with liver failure.
11 citations,
May 2002 in “The Journal of Urology” Finasteride doesn't harm bone density in older men with BPH.
7 citations,
June 2015 in “The American Journal of the Medical Sciences” Finasteride helps reduce blood vessel growth in diabetic rat kidneys.
72 citations,
April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
15 citations,
July 2008 in “Journal of Dermatological Science” Ephrin-A3 helps increase and speed up hair growth in baby mice.
June 2020 in “Applied sciences” A new semi-automatic hair implanter could make hair transplants easier, more successful, and more accessible.
17 citations,
June 2002 in “Dermatologic Surgery” Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.
11 citations,
September 2016 in “Archives of Dermatological Research” People with denser forearm hair have a higher risk of certain skin cancers.
5 citations,
January 2018 in “Skin Research and Technology” TrichoScan needs optimization as it underestimated hair density by 38.9% compared to manual counting.
4 citations,
October 2019 in “Skin appendage disorders” PRP injections safely increase hair density and thickness in androgenetic alopecia.
2 citations,
November 2017 in “Journal of Cosmetic and Laser Therapy” JetPeel-assisted minoxidil improves hair density and thickness more than minoxidil alone.